Fireless cooker.



CHARLES E. SWARTZBAUGI-I, OF TOLEDO, OHIO.

FIRELESS COOKER. 7

icense.

Specification of Letters Patent.

Patented July *7, 1914.

Application filed. November 26, 1910. Serial No. 594,312.

I To all whom it may concern:

about the chambers or Be it known that 1, CHARLES E. SWARTZ- BAUGI-I, a citizen of the United States, residing at Toledo, Lucas county, Ohio, have invented new and useful Fireless Cookers, of which the following is a specification.

This invention relates to a closure device for vessels which it is desired to seal, espe cially against temperature change.

his invention has utility. when embodied in cookers or bakers of the so called fireless type. v

Referring to the drawings: Figure 1 is a perspective view with parts broken away of an embodiment cooker; Fig. 2 is a detail sectional view on an enlarged scale showing coaction between closure and vessel opening; and Fig. 3 is a side elevation of the draw device for seating the closure. The cooker cabinet or housing 1 has non-conductor of heat filling 2 therein vessels 3. These ves sels 3 are shown as having their upper end open and joined by means of a crimped seam to an outwardly and upwardly extending, or flaring mouthpiece. Such mouthpiece comprises an annular endless groove 4 surrounding the top of the vessel 3 and, a flaring or beveled wall 5 extending upwardly from the groove 4 and terminating in a fiat plate forming the top of the housing. Preferably the beveled wall 5 is formed integral with such flat plate. The cover member 7 is mounted upon hinges 6 and has attached to its inner face a plate carrying a protruding beveled closure 8 adapted to fit within the beveled mouthpiece 5. Ihis tapering closure terminates at its inner edge in a bead or rib 9 which is adapted to enter the groove 4 so as to make a close fit. The bead 9, Fig. 2, actually engages the groove 4 adjacent its bottom and the walls 5, apart near the groove. By this construction sticking of the parts is prevented and at the same time none of the advantages as to a tight seal are sacrificed.

When the device is used as a cooker or baker, moisture in the form of steam tends to rise from the food being prepared, and striking the closure tends to follow such wall. When this gas or steam comes to the groove4, it is suiiiciently remote from the source of heat to condense to a liquid state, and thus entrained in the groove 4 with the head 9 partially submerged therein an efsome water, in

of the invention in a tireless.

8, are slightly spaced fective water seal is produced not only excluding the escape from the food stuff being prepared, but also seals the vessel against in-coming cool air, thereby increasing the temperature retaining quality of the device. Drippings over the housing are accordingly avoided.

The protruding portion of the top 7 has a non-heat conducting packing 10 similar to thatpacking 2surrounding the chambers 3 in the cabinet or housing 1. In practice it may be desirable to introduce a liquid, say the groove 4 before forcing the closure 7 into seating position, thus initially providing the water seal, although as above discussed this water seal may be automatically provided by the normal operatic-n of the device. To effectively bring about this coaction between the bevel surfaces and 8 for producing a tight closure of odor carrying fumes for the vessel. 3 as well as to bring the bead 9 into water seal relation as to the groove 4, a pull device is adapted in this instance. There is provided the engaging element or hook 11 upon the top 7 With this hook 11 may coact the U-shaped pull rod 12 having an angular extension 12 to give it a little spr ngy action. The termini of this angular portion of the U-shaped member 12 have pivotal coaction with the trigger or throw member 13 which may be moved into seating relation with the stop 14 formed as an extension of the bracket 15 mounted upon the housing 1. This bracket v15 carries pivot pins 16 for the toggle lever or trigger 13. This fulcrum pivot 16 is so positioned that when the throw lever 13 is in seating position 14, the member 12 has its pivot pin in the lever 18 just carried past the line of the fulcrum 16 to thereby effectively hold the device in locked position.

The mechanical advantage of this structure is such as to make possible the ready and convenient, as well as effective, closing and release of the top 7. The abutment 14 insures a limit to the movement of trigger 18 without marring the cabinet housing, while the channel shaped form of the bracket 15 and the trigger 13 of sheet metal are elements of extreme rigidity and lightness so that the structure as a whole works together as a simple and effective scheme for insuring the operation of' the water seal device as herein disclosed. The angular portion of the rod member 12 gives suf- 11o ficient spring to ermit movement. of he.

point as to fulisdesired to secure having a sheet metal member connecting the lining and housing betweenv the open. end and open slde, said member having r gid interlocking connection with the "lining, an endless groove adjacent said lining opening and lying in a plane adjacent vthe open side of the housing, a beveled section extending away from said groove, and a plane section from the beveled section'to. the housing lyof a sheet metal lining therea Plane pa l to h p n .Of the groove; a closure abuttingthe lining plane to vclose the opening in the lining and hav-' ing a sheet metal portion "forming a rib to interfit With the groove, a beveled section to be disposed adjacent the beveled section of the member extending away. from theand-holding the'closure in sealing position.

In testimony whereof I aifiX 1n thepresenee oftwo w tnesses.

my signature 5 k CHARLES E. SWARTZBAUGH; i

C. H, RAnoH, -GEO. E. KIRK.

ICOplesof this patent may'be obtained forfi ve ce nts each, by addressing the Commissioner of Patents,

s Washington, D. C. 

